package com.laotou99.bookManage.Auth;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.realm.Realm;

public class MyRealm1 implements Realm {

	@Override
	public String getName() {
		return "myrealm1";
	}

	@Override
	public boolean supports(AuthenticationToken token) {
		
		return token instanceof UsernamePasswordToken;
	}

	@Override
	public AuthenticationInfo getAuthenticationInfo(
			AuthenticationToken token) throws AuthenticationException 
	{
		String username = (String)token.getPrincipal();
		String password = new String((char[])token.getCredentials());
		
		if(!"zhang".equals(username)){
		throw new UnknownAccountException(); //如果用户名错误  
		}
		if(!"123".equals(password)){
			throw new IncorrectCredentialsException();//如果密码错误  
		}
			//如果身份认证验证成功，返回一个AuthenticationInfo实现；  
		return new SimpleAuthenticationInfo(username,password,getName());
		
	}

}
